Searched +full:w1 +full:- +full:gpio (Results 1 – 25 of 92) sorted by relevance
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| /kernel/linux/linux-6.6/Documentation/w1/masters/ |
| D | w1-gpio.rst | 2 Kernel driver w1-gpio
9 -----------
11 GPIO 1-wire bus master driver. The driver uses the GPIO API to control the
12 wire and the GPIO pin can be specified using GPIO machine descriptor tables.
14 Documentation/devicetree/bindings/w1/w1-gpio.yaml
17 Example (mach-at91)
18 -------------------
22 #include <linux/gpio/machine.h>
23 #include <linux/w1-gpio.h>
26 .dev_id = "w1-gpio",
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| D | index.rst | 1 . SPDX-License-Identifier: GPL-2.0
4 1-wire Master Drivers
12 mxc-w1
13 omap-hdq
14 w1-gpio
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| /kernel/linux/linux-5.10/Documentation/w1/masters/ |
| D | w1-gpio.rst | 2 Kernel driver w1-gpio
9 -----------
11 GPIO 1-wire bus master driver. The driver uses the GPIO API to control the
12 wire and the GPIO pin can be specified using GPIO machine descriptor tables.
14 Documentation/devicetree/bindings/w1/w1-gpio.txt
17 Example (mach-at91)
18 -------------------
22 #include <linux/gpio/machine.h>
23 #include <linux/w1-gpio.h>
26 .dev_id = "w1-gpio",
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| D | index.rst | 1 . SPDX-License-Identifier: GPL-2.0
4 1-wire Master Drivers
12 mxc-w1
13 omap-hdq
14 w1-gpio
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/w1/ |
| D | w1-gpio.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/w1/w1-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Bitbanged GPIO 1-Wire Bus
10 - Daniel Mack <zonque@gmail.com>
14 const: w1-gpio
19 - description: Data I/O pin
20 - description: Enable pin for an external pull-up resistor
22 linux,open-drain:
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| D | w1.txt | 1 Generic devicetree bindings for onewire (w1) busses
5 Slave devices are listed as sub-nodes of such master devices. For now, only
12 compatible = "gpio-charger";
13 charger-type = "mains";
14 gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
18 compatible = "w1-gpio";
19 gpios = <&gpio 100 0>, <&gpio 101 0>;
23 power-supplies = <&charger>;
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| /kernel/linux/linux-6.6/drivers/w1/masters/ |
| D | w1-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * w1-gpio - GPIO w1 bus master driver
12 #include <linux/w1-gpio.h>
13 #include <linux/gpio/consumer.h>
19 #include <linux/w1.h>
26 pdata->pullup_duration = delay; in w1_gpio_set_pullup()
28 if (pdata->pullup_duration) { in w1_gpio_set_pullup()
30 * This will OVERRIDE open drain emulation and force-pull in w1_gpio_set_pullup()
33 gpiod_set_raw_value(pdata->gpiod, 1); in w1_gpio_set_pullup()
34 msleep(pdata->pullup_duration); in w1_gpio_set_pullup()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire bus master configuration
6 menu "1-wire Bus Masters"
9 tristate "Matrox G400 transport layer for 1-wire"
12 Say Y here if you want to communicate with your 1-wire devices
13 using Matrox's G400 GPIO pins.
19 tristate "DS2490 USB <-> W1 transport layer for 1-wire"
22 Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
29 tristate "Maxim DS2482 I2C to 1-Wire bridge"
33 I2C to 1-Wire bridge.
[all …]
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| /kernel/linux/linux-5.10/drivers/w1/masters/ |
| D | w1-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * w1-gpio - GPIO w1 bus master driver
12 #include <linux/w1-gpio.h>
13 #include <linux/gpio/consumer.h>
19 #include <linux/w1.h>
26 pdata->pullup_duration = delay; in w1_gpio_set_pullup()
28 if (pdata->pullup_duration) { in w1_gpio_set_pullup()
30 * This will OVERRIDE open drain emulation and force-pull in w1_gpio_set_pullup()
33 gpiod_set_raw_value(pdata->gpiod, 1); in w1_gpio_set_pullup()
34 msleep(pdata->pullup_duration); in w1_gpio_set_pullup()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire bus master configuration
6 menu "1-wire Bus Masters"
9 tristate "Matrox G400 transport layer for 1-wire"
12 Say Y here if you want to communicate with your 1-wire devices
13 using Matrox's G400 GPIO pins.
19 tristate "DS2490 USB <-> W1 transport layer for 1-wire"
22 Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
29 tristate "Maxim DS2482 I2C to 1-Wire bridge"
33 I2C to 1-Wire bridge.
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/w1/ |
| D | w1-gpio.txt | 1 w1-gpio devicetree bindings
5 - compatible: "w1-gpio"
6 - gpios: one or two GPIO specs:
7 - the first one is used as data I/O pin
8 - the second one is optional. If specified, it is used as
13 - linux,open-drain: if specified, the data pin is considered in
14 open-drain mode.
16 Also refer to the generic w1.txt document.
21 compatible = "w1-gpio";
22 gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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| D | w1.txt | 1 Generic devicetree bindings for onewire (w1) busses
5 Slave devices are listed as sub-nodes of such master devices. For now, only
12 compatible = "gpio-charger";
13 charger-type = "mains";
14 gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
18 compatible = "w1-gpio";
19 gpios = <&gpio 100 0>, <&gpio 101 0>;
23 power-supplies = <&charger>;
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| /kernel/linux/linux-6.6/Documentation/driver-api/gpio/ |
| D | drivers-on-gpio.rst | 2 Subsystem drivers using GPIO
5 Note that standard kernel drivers exist for common GPIO tasks and will provide
6 the right in-kernel and userspace APIs/ABIs for the job, and that these
10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO
13 - ledtrig-gpio: drivers/leds/trigger/ledtrig-gpio.c will provide a LED trigger,
14 i.e. a LED will turn on/off in response to a GPIO line going high or low
15 (and that LED may in turn use the leds-gpio as per above).
17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line
20 - gpio-keys-polled: drivers/input/keyboard/gpio_keys_polled.c is used when your
21 GPIO line cannot generate interrupts, so it needs to be periodically polled
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| /kernel/linux/linux-5.10/Documentation/driver-api/gpio/ |
| D | drivers-on-gpio.rst | 2 Subsystem drivers using GPIO
5 Note that standard kernel drivers exist for common GPIO tasks and will provide
6 the right in-kernel and userspace APIs/ABIs for the job, and that these
10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO
13 - ledtrig-gpio: drivers/leds/trigger/ledtrig-gpio.c will provide a LED trigger,
14 i.e. a LED will turn on/off in response to a GPIO line going high or low
15 (and that LED may in turn use the leds-gpio as per above).
17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line
20 - gpio-keys-polled: drivers/input/keyboard/gpio_keys_polled.c is used when your
21 GPIO line cannot generate interrupts, so it needs to be periodically polled
[all …]
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| /kernel/linux/linux-6.6/include/linux/ |
| D | w1-gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * w1-gpio interface to platform code
13 * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
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| /kernel/linux/linux-5.10/include/linux/ |
| D | w1-gpio.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * w1-gpio interface to platform code
13 * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
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| /kernel/linux/linux-6.6/Documentation/w1/ |
| D | w1-generic.rst | 2 Introduction to the 1-wire (w1) subsystem
5 The 1-wire bus is a simple master-slave bus that communicates via a single
11 The w1 subsystem provides the framework for managing w1 masters and
14 All w1 slave devices must be connected to a w1 bus master device.
16 Example w1 master devices:
18 - DS9490 usb device
19 - W1-over-GPIO
20 - DS2482 (i2c to w1 bridge)
21 - Emulated devices, such as a RS232 converter, parallel port adapter, etc
24 What does the w1 subsystem do?
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| /kernel/linux/linux-5.10/Documentation/w1/ |
| D | w1-generic.rst | 2 Introduction to the 1-wire (w1) subsystem
5 The 1-wire bus is a simple master-slave bus that communicates via a single
11 The w1 subsystem provides the framework for managing w1 masters and
14 All w1 slave devices must be connected to a w1 bus master device.
16 Example w1 master devices:
18 - DS9490 usb device
19 - W1-over-GPIO
20 - DS2482 (i2c to w1 bridge)
21 - Emulated devices, such as a RS232 converter, parallel port adapter, etc
24 What does the w1 subsystem do?
[all …]
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | pxa300-raumfeld-controller.dts | 1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include "pxa300-raumfeld-common.dtsi"
9 compatible = "raumfeld,raumfeld-controller-pxa303", "marvell,pxa300";
11 reg_vbatt: regulator-vbatt {
12 compatible = "regulator-fixed";
13 regulator-name = "vbatt-fixed-supply";
14 regulator-min-microvolt = <3700000>;
15 regulator-max-microvolt = <3700000>;
16 regulator-always-on;
[all …]
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| D | aspeed-bmc-opp-zaius.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "aspeed-g5.dtsi"
4 #include <dt-bindings/gpio/aspeed-gpio.h>
8 compatible = "ingrasys,zaius-bmc", "aspeed,ast2500";
19 stdout-path = &uart5;
27 reserved-memory {
28 #address-cells = <1>;
29 #size-cells = <1>;
33 no-map;
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| D | imx28-cfa10049.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * The CFA-10049 is an expansion board for the CFA-10036 module, thus we
8 * need to include the CFA-10036 DTS.
10 #include "imx28-cfa10036.dts"
13 model = "Crystalfontz CFA-10049 Board";
17 compatible = "i2c-mux-gpio";
18 #address-cells = <1>;
19 #size-cells = <0>;
20 pinctrl-names = "default";
21 pinctrl-0 = <&i2cmux_pins_cfa10049>;
[all …]
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/intel/pxa/ |
| D | pxa300-raumfeld-controller.dts | 1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include "pxa300-raumfeld-common.dtsi"
9 compatible = "raumfeld,raumfeld-controller-pxa303", "marvell,pxa300";
11 reg_vbatt: regulator-vbatt {
12 compatible = "regulator-fixed";
13 regulator-name = "vbatt-fixed-supply";
14 regulator-min-microvolt = <3700000>;
15 regulator-max-microvolt = <3700000>;
16 regulator-always-on;
[all …]
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/aspeed/ |
| D | aspeed-bmc-opp-zaius.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "aspeed-g5.dtsi"
4 #include <dt-bindings/gpio/aspeed-gpio.h>
8 compatible = "ingrasys,zaius-bmc", "aspeed,ast2500";
19 stdout-path = &uart5;
27 reserved-memory {
28 #address-cells = <1>;
29 #size-cells = <1>;
33 no-map;
[all …]
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| /kernel/linux/linux-5.10/arch/arm/mach-ixp4xx/ |
| D | vulcan-setup.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * arch/arm/mach-ixp4xx/vulcan-setup.c
5 * Arcom/Eurotech Vulcan board-setup
9 * based on fsg-setup.c:
18 #include <linux/w1-gpio.h>
19 #include <linux/gpio/machine.h>
20 #include <linux/mtd/plat-ram.h>
21 #include <asm/mach-types.h>
37 .name = "IXP4XX-Flash",
56 .name = "mtd-ram",
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| /kernel/linux/linux-5.10/drivers/power/supply/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
105 tristate "Active-semi ACT8945A charger driver"
109 Active-semi ActivePath ACT8945A charger.
132 depends on W1
139 select W1
147 select W1
159 tristate "DS2782/DS2786 standalone gas-gauge"
163 gas-gauge.
185 tristate "Sharp SL-6000 (tosa) battery"
189 SL-6000 (tosa) models.
[all …]
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